alpine cda-7939r head unit OLD SKOOL .

for sale is my classic alpine head unit,90s era,single cd player with tuner and removeable fascia,this is (was) a very high end advanced unit in its day and is an ideal piece to have in a modern classic beemer,merc,cossie cavvy etc. went for around 600 bucks new,these days,a bit less,ill take what i can get but i DO know what its worth and how rare it is. offers please. thanks for looking.